2f891baba1d4f619ce348a23f1bd41d9ed5f5bc0a40918bc8d8fbed24203f119

Analysis

max time kernel
145s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2024, 10:26

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General

Target

libmono_plugin.dll?id=8328c31dba7c71ee20ee32f1a735d639f9e43928.html
Size

222KB
MD5

c8284dbe54c5ee8247b72fcb8bbb7c91
SHA1

82a8585810e5fb432aa4c9bdac0bc46d7c94fb97
SHA256

2f891baba1d4f619ce348a23f1bd41d9ed5f5bc0a40918bc8d8fbed24203f119
SHA512

a3984f8e561737889856300b94c33625b0fb7fd392c7baa93d75364afbe5dd615486f96741451effc6f143ee0d281e591fbce8d946e8fcd12be76eb1b3863649
SSDEEP

1536:+h/XTmG2b9ILph4H5eJ+TbzeK3J0CViQHJslUUAgpbsJnD8E8B:+h/X+o6wSFvV1psXt6a

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4776	msedge.exe
4776	msedge.exe
3824	msedge.exe
3824	msedge.exe
3976	identity_helper.exe
3976	identity_helper.exe
1524	msedge.exe
1524	msedge.exe
1524	msedge.exe
1524	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe
3824	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 1552	3824	msedge.exe	84
PID 3824 wrote to memory of 1552	3824	msedge.exe	84
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 2772	3824	msedge.exe	85
PID 3824 wrote to memory of 4776	3824	msedge.exe	86
PID 3824 wrote to memory of 4776	3824	msedge.exe	86
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87
PID 3824 wrote to memory of 212	3824	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\AppData\Local\Temp\libmono_plugin.dll_id=8328c31dba7c71ee20ee32f1a735d639f9e43928.html
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3824
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff85ce646f8,0x7ff85ce64708,0x7ff85ce64718
  2⤵
  PID:1552
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2076,5190864341982446879,9563601096629671363,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2108 /prefetch:2
  2⤵
  PID:2772
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2076,5190864341982446879,9563601096629671363,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2196 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4776
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2076,5190864341982446879,9563601096629671363,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2756 /prefetch:8
  2⤵
  PID:212
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5190864341982446879,9563601096629671363,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3216 /prefetch:1
  2⤵
  PID:2904
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5190864341982446879,9563601096629671363,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3248 /prefetch:1
  2⤵
  PID:1812
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2076,5190864341982446879,9563601096629671363,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4904 /prefetch:8
  2⤵
  PID:3024
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2076,5190864341982446879,9563601096629671363,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4904 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3976
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5190864341982446879,9563601096629671363,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5188 /prefetch:1
  2⤵
  PID:1576
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5190864341982446879,9563601096629671363,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4332 /prefetch:1
  2⤵
  PID:892
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5190864341982446879,9563601096629671363,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5424 /prefetch:1
  2⤵
  PID:4428
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,5190864341982446879,9563601096629671363,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4152 /prefetch:1
  2⤵
  PID:224
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2076,5190864341982446879,9563601096629671363,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1120 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1524

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3332

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
64836d9ed0fa36504e81806dfddba79d

SHA1
ce09ebf37aebaf90664fcf7f20d9361c7473a372

SHA256
ca4ff89e62d8fa19b959aee20a3eb90a032317329e392dc4e455dc7720651cb3

SHA512
99debdc52571e358b1da6c4086d085f818d5a27b8cddecf68aeff0aa4600d9952277d4578c5d411d4cc4024c54704f5f4583d2b8d2146aef00c031b1ebad412e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
f89eacc173016441580a1298f148d46e

SHA1
7e27c79728f54be41984235f7bfdd8a0bdcd3a54

SHA256
68bc2993e25bb9f44bdd514acb1ad122806ffba33f21730a201ccc347f496625

SHA512
8c966c08f3decb560b58816dcc8115f927eb58b96e3acfc2b7cc512654479fda45a3de77f9d4639713c8bbce65f202696613bdc66bb33444e9b5451f6cd7481b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
ee1fd480018b7b70c30b04bcd5c07b8a

SHA1
53312fda5af5b52371e1c1ced08a6003a64aaa7c

SHA256
e32e9d461c3e3612db1136ac131b582fdf03f7ea7a1d0e0c8bef87456cdca14c

SHA512
b5ba5fa8c822389297896f3f1d16551595038f5d00b36f2d85bff30f542ce2e9624d30cb7a5d7a343b854aafc25791ec8ad516dfb21b5678191e4de691d948e0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
d5f3401c46776842df0e14cfb2d85e0d

SHA1
19f51458a2d168d0b75c5bc1fa2000f67e79dbcb

SHA256
52842fe11b383a33da39af8bfee200f7d7e544af9fa4cedf3e581dfaa23dc546

SHA512
0fe8e237e52a4c8cfe4320ffc542cf5594a420054052f160cfbaba28eb2bea4c53d4b49bc8afb5ff054b88c9c5a1772479b03c9b188ad5d71f3f0489a9b1f133

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences

Filesize
24KB

MD5
5e5f9bd32aae6854212a031b6e300523

SHA1
cc8669258e1434751286afd57da411a05c9998db

SHA256
25750dcc8a27581ee9b900318146ab470cc1b7c57fb483eba9133cf44de6414d

SHA512
c32061bf863417242b480540c28fcda97cca5cc0d16d72d2d1523a35a087a7479d74ef9f871ae0e328c378af07e58eb1a6d17aa3cd1c41d426a61bb6a02b27a4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
11KB

MD5
5dd7ce286220ede0a6a1836dd02cf585

SHA1
ebd5a98a59ba3ecb1a4e8a00c5171957b93b044c

SHA256
b4e2857c181e9058a092bd5e54bbe62f13824d5b3ee29a399f0ab473bba05427

SHA512
231c97dc28f5b2d6ce8241e9f31a93b4075bb9deb1b6d7aafdebb1e290d8463febbe55c2ab145946e666d31f9fd11ef0bfc32f30c14abd28f8123116d479c50a

Download Submit